May 3, 2024

Sudden Cardiac Death: Up to 80% of Athletes Who Die Suddenly Had No Symptoms or Family History of Heart Disease

Identification of various genetic subtypes (LQT 1-3) can inform the risk of arrhythmias, recognize prospective triggers to be prevented, and help to target medical therapies and strategy exercise guidance. Pre-test hereditary therapy needs to be performed to talk about the ramifications for professional athletes and their households. The professional athlete has two options: 1) clinical tracking, most likely every year, to inspect for signs of disease; or 2) genetic testing. In children with a clinical diagnosis of an inherited condition, genetic screening might validate the diagnosis and in some cases help anticipate the risk of sudden death during sports. “In contrast, the timing of genetic screening in kids with a family history of HCM is controversial since in the absence of scientific signs it rarely triggers sudden death in childhood.”

One example is an acquired condition that can cause sudden heart death in professional athletes called hypertrophic cardiomyopathy (HCM), where the heart muscle is abnormally thick. Athletes with HCM should undergo thorough clinical examination to evaluate their threat of sudden cardiac death and then be offered a workout prescription. Genetic screening in this condition does not effect management.
In some cases, however, genetic screening can dictate management. Recognition of various genetic subtypes (LQT 1-3) can inform the threat of arrhythmias, recognize possible triggers to be prevented, and assist to target medical therapies and plan exercise guidance.
The only scenario where genetic screening alone may result in exemption from play is a heart muscle condition called arrhythmogenic cardiomyopathy (ARVC). “Even if an athlete has no scientific evidence of the illness however has the gene for the condition, he or she need to stay away from high intensity and competitive sport,” said Dr. Papadakis. “This is because studies show that individuals with the gene who work out at a high level tend to establish the illness earlier in life and tend to develop more extreme disease which can trigger a life-threatening arrhythmia during sport.”
Pre-test hereditary therapy should be carried out to talk about the ramifications for professional athletes and their households. The athlete has two options: 1) clinical tracking, most likely yearly, to inspect for signs of disease; or 2) hereditary screening. “On the other hand, if genetic testing is declined the condition may get worse.
For kid professional athletes, genetic counseling in a professional pediatric center with assistance from a kid mental health professional may be required. Dr. Papadakis explained: “The mental effect of a positive hereditary test result may be significant for the kid, specifically if this results in sports exemption even in the lack of clinical illness such as in ARVC.”
In kids with a scientific medical diagnosis of an acquired condition, hereditary screening may verify the medical diagnosis and in many cases help predict the risk of abrupt death during sports. Having the gene for an electrical fault of the heart called catecholaminergic polymorphic ventricular tachycardia (CPVT) might lead to guidance for preventive therapies, such as beta blockers, and determine choices about workout. “This is essential as CPVT inclines to arrhythmias during workout and can trigger sudden death at a very young age,” stated Dr. Papadakis. “In contrast, the timing of hereditary testing in kids with a household history of HCM is controversial given that in the absence of clinical signs it hardly ever causes unexpected death in childhood.”
Referral: “Indications and utility of heart hereditary screening in professional athletes” by Silvia Castelletti, Belinda Gray, Cristina Basso, Elijah R. Behr, Lia Crotti, Perry M. Elliott, Cecilia M. Gonzalez Corcia, Flavio DAscenzi, Jodie Ingles, Bart Loeys, Antonis Pantazis, Guido E. Pieles, Johan Saenen, Georgia Sarquella Brugada, Maria Sanz de la Garza, Sanjay Sharma, Emeline M. Van Craenebroek, Arthur Wilde and Michael Papadakis, 16 June 2022, European Journal of Preventive Cardiology.DOI: 10.1093/ eurjpc/zwac080.
The clinical declaration was prepared by the Sports Cardiology and Exercise Section of the European Association of Preventive Cardiology, the European Heart Rhythm Association, the ESC Working group on myocardial and pericardial diseases, the ESC Council on Cardiovascular Genomics, the European Society of Human Genetics and the Association for European Paediatric and Congenital Cardiology.

Brand-new recommendations released in the European Journal of Preventive Cardiology describe how to use genetic testing to avoid sudden heart death in athletes and allow safe workout.
Recommendations on how to use gene screening to prevent abrupt heart death in professional athletes and allow safe exercise were released on June 16, 2022, in the European Journal of Preventive Cardiology, a journal of the European Society of Cardiology (ESC).
” Genetic testing for possibly lethal variations is more accessible than ever in the past and this file concentrates on which athletes should be checked and when,” stated author Dr. Michael Papadakis of St Georges, University of London, UK. “Sportspeople ought to be counseled on the potential outcomes prior to hereditary screening since it might mean exemption or limited play.”
Clinical examination will determine the need for preventive treatment such as a defibrillator and the advice on workout and participation in competitive sports. Dr. Papadakis described: “Even if a genetic abnormality is found, recommendations on treatment and go back to play typically depend upon how serious the disease is clinically. Is it triggering signs such as fainting? Is the heart thick or excessively weak? Can we see numerous irregularities of the heart rhythm (arrhythmias) and do they become worse throughout exercise? If the response is yes to any of these questions then play is likely to be cut in some way.”